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• Navigation tools
Navigation marks
Navigation marks consist of two independent sets of tools. Both tools have REFERENCE POINT, EBL, VRM,
PARALLEL INDEX and RANGE RINGS which are displayed in the Electronic Chart Area.
NAV MARKS pushbutton
sheet: "TOOL SET 1"
Centered reference point:
Use this to select tool set to centre of own ship.
Reset:
By pressing this button you can reset Reference point, VRM and EBL to center of chart display.
Display Reference point:
Use this option to display reference point on the electronic chart.
Display VRM:
Use this option to select VRM (Variable Range Marker) to be displayed around the reference point.
Display EBL:
Use this option to select EBL (Electronic Bearing Line) to be displayed from the reference point.
Display parallel index:
Use this option to select parallel lines with EBL to be displayed. The range of parallel index is controlled by
changing VRM's size.
Display range rings:
Use this option to select range rings to be displayed around the reference point. The range of those rings is
depending on scale of displayed chart.
Display Info:
Use this option to select information about VRM, EBL and Reference point to be displayed on Electronic chart area
in numeric mode.
Move Reference point:
Use this option to set preference of move to Reference point.
Move VRM:
Use this option to set preference of move to VRM and EBL.
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